Depressed Mood and Anhedonia in Healthy Adults

Exclusion Criteria

• •Suffer from mental health other than mild depressive or anxiety symptoms as measured by the Patient Health Questionnaire (PHQ-9). Volunteers with PHQ-9 score \>14 could not be included;
• •Having suicidal thoughts: score ≥1 at the item 9 of the PHQ-9;
• •Diagnosis of medical or psychiatric conditions including (but not limited to):
• •* psychiatric disorder (other than mild-to-moderate depression symptoms, anhedonia or anxiety),
• •* neurological disease (Parkinson's, Alzheimer's disease, intracranial haemorrhage, head or brain injury),
• •* cancer/malignancy,
• •* cardiovascular disease (other than hypertension),
• •* Immunological disease,
• •* endocrine disease (including diabetes or thyroid diseases, Chronic kidney disease, hematological abnormalities);
• •Smokers (more than 5 cigarettes per day);
• •Uncontrolled hypertension with medication (SBP ≥ 160mmHg or DBP ≥ 100 mmHg) or without medication (SBP ≥ 140mmHg or DBP ≥ 90 mmHg);
• •Taking drugs (anxiolytics, antidepressants, antihistamine drug more than 7 day/month) known to have an impact on mental health in the month preceding inclusion and / or likely to consume them during the study and/or Illicit drug;
• •Undergoing a psychotherapy in the month preceding inclusion or during the study;
• •Consuming more than 3 standard drinks of alcoholic beverage daily;
• •Weight change above 10% body weight within the past 6 months before inclusion;
• •Currently under prescribed diet regimen, whatever the reason;
• •Consuming foods supplement known to have an influence on mental health in the month preceding the inclusion and / or likely to take during the study;
• •Consuming more than 50g of chocolate/day;
• •For females: Pregnant or planning pregnancy during the study or breastfeeding;
• •Any intolerance or allergy documented or suspected to one of the components of the study products;
• •Taking part in another clinical trial or being in the exclusion period of a previous clinical trial;
• •Subject who would receive more than 4500 euros as indemnities for his participation in biomedical research within the 12 last months, including the indemnities for the present study;
• •Under legal protection (guardianship, wardship) or deprived from his rights following administrative or judicial decision;
• •Presenting a psychological or linguistic incapability to sign the informed consent and to answer the study questionnaires
• •Any other condition which in the investigator's opinion may adversely affect the subject's ability to complete the study or its measures or which may pose significant risk to the subject.